Dual hair comb



FIG. 1 is a front view of the dual hair comb.

FIG. 2 is a rear view of the dual hair comb as shown in FIG. 1.

FIG. 3 is a right side view of the dual hair comb as shown in FIG. 1 of which the right side is a mirror image; and,

FIG. 4 is a bottom view of the dual hair comb as shown in FIG. 1 of which the top view is a mirror image. 

The ornamental design for a dual hair comb, as shown and described. 